Keep spa water at optimum levels easily with these handy Test Strips. Instant readings of the monopersulfate, alkalinity and pH levels just by swirling the Nature2 Spa Test Strip. Color -coded quick guide on package.

Tests for: Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, and Total Alkalinity. Ideal for customers who want a more complete analysis of their spa water. 6 important test results in just one dip, and get test results in just seconds! To keep your spa at its best, test before and after each use. Its also a good idea to write down your results each time you test.

Tests for: Free Chlorine, pH, Total Alkalinity, Cyanuric Acid (Stabilizer). Ideal for customers who use chlorine as the sanitizer in their pool or spa. Includes a test for Cyanuric Acid (Stabilizer), which is especially important for outdoor pools and spas which are subject to chlorine dissipation from UV rays.

Easy-to-read strips that test for pH, alkalinity, calcium hardness and bromine or chlorine. 50 strips per bottle.

Spend more time relaxing not guessing with AquaChek TruTest Spa automated color matching. Follow the instruction guide, dip a strip, place on the digital test strip reader, and it does the work for you - no color matching! Numerical results displayed, along with "low", "ok", and "high" indicators.

Tests for: Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, and Stabilizer (Cyanuric Acid). AquaChek Silver is the most comprehensive test strip product in our professional line providing test results for 7 key parameters in less than one minute! Save time, save money, and service more pools with Fast, Easy, Accurate AquaChek Silver Test Strips!

Check biguanide sanitizer, calcium hardness, alkalinity and pH wih one easy-to-read test strip. 50 strips per bottle.

Tests for: Sodium Bromide. AquaChek Sodium Bromide Titrators allow you to measure Sodium Bromide with greater precision than dip-and-read strips, simplifying bromide water testing for systems using bromide generators. The titrators yield accurate results in 3-5 minutes.

Tests For: Total Chlorine, Free Chlorine, Total Hardness, Total Alkalinity, pH, Bromine, And Cyanuric Acid Kit contains: 50 test strips, color chart & comparator, and booklet entitled, The Complete Guide to Pool & Spa Care. AquaChek Select is ideal for customers who want a more complete analysis of their pool or spa water. Get 7 important test results in just one dip! Dip an AquaChek Select strip in your pool or spa water for one second and remove it immediately. You get test results in seconds!

Tests for: Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, Total Hardness and Cyanuric Acid (Stabilizer). Ideal for those who have already purchased the AquaChek Select kit and just need additional test strips. A replacement color chart is enclosed with every bottle for insertion in the reusable color comparator. Get 7 important test results in just one dip! Dip an AquaChek Select strip in your pool or spa water for one second and remove it immediately. You get test results in seconds!

Tests for 4 important chemistries in seconds: Total Bromine, pH, Total Alkalinity and Total Hardness. Our Bromine strips include a test for Total Hardness since warmer water temperatures increase the potential for scale build-up making it particularly important for spa owners to maintain proper hardness levels.

Test for: Cyanuric Acid, Total Dissolved Solids, High and Low Range Hardness. AquaChek Pro II is the perfect supplement to AquaChek Pro. Test for 3 parameters that do not need to be tested weekly cyanuric acid, total dissolved solids (TDS) and total hardness. (See descriptions of the individual products for more information.) Get 4 important test results in just seconds! Dip an AquaChek Pro II strip in your pool or spa water for two seconds and remove it immediately.

Test for: Phosphates. Use the most accurate method for phosphate testing: a one-step, one-minute phosphate test. Even very low levels of phosphate can feed algae and create problems in pool water. Test for phosphate once a week as the concentration in the water can increase rapidly due to rain, debris or bather load. Kit consists of powder pillow reagents and testing viles.

Tests for: Nitrate/Nitrite. Check nitrate/nitrite levels if you are seeing excess chlorine demand. Positive nitrate test also indicates the potential for algae growth. Dip and read test strips give results for both in less than one minute.

Tests for: 3 important chemistries in seconds: Potassium Monopersulfate, pH, and Total Alkalinity. Monopersulfate (MPS) is an oxidizing agent used in mineral purification systems such as Spa Frog, Nature2, PoolRx, or SpaRx. Monopersulfate can also be used as an oxidizer for brominated pools and spas.

Tests: Total Iron. Monitor iron levels to help prevent rusting of pool and spa fixtures and plumbing. Test results with just one dip, in just seconds!

Test for: Free Chlorine/Bromine, pH, and Alkalinity. For use with the AquaChek TruTest Digital Test Strip Reader. Bottles have a convenient flip top cap for easy dispensing! Just dip a test strip in your pool or spa, insert the strip into the meter and get fast accurate results! To keep your pool at its best, test at each end a minimum of twice a week.

Tests for: Free Chlorine, pH, Total Alkalinity. Spend more time relaxing not guessing with AquaChek TruTest automated color matching! Improved functions include auto-timer, color-matching controls, and expanded instructions. Follow the new instruction guide, dip a strip, place on the digital test strip reader, and it does the work for you - no color matching! Numerical results displayed along with "low", "ok", and "high" indicators. Can also be used in pools with salt chlorine generators! Tests for 3 important parameters in seconds: Free Chlorine/Bromine, pH, Total Alkalinity.

The AquaChek TruTest Spa Digital Test Strip Reader provides users with a digital alternative to color comparison tests. Follow the instruction guides and dip a strip, place on the digital test strip reader, and let it do the work for you. Best of all, no color matching!

Tests for 3 important chemistries in seconds: Copper, Iron, pH, and Total Alkalinity. AquaChek Copper 3-in-1 test strips are designed for use with mineral purification or copper ionization systems. Simply dip the test strip into the pool or spa and compare to the color chart to verify if the levels are within the appropriate range. Get 3 important test results in just one dip! AquaChek Copper 3-in-1 also measures pH and Total Alkalinity levels which helps guard against troublesome scale formation and/or corrosion that can occur with sudden changes in your waters pH. Maintaining proper levels will help ensure that bacteria and other contaminants are eliminated, leaving spa water clean and healthy.